Remove Python 3.6 branches from typeshed (#8269)

stdlib/asyncio/sslproto.pyi

@@ -76,17 +76,13 @@ class _SSLProtocolTransport(transports._FlowControlMixin, transports.Transport):
     def get_protocol(self) -> protocols.BaseProtocol: ...
     def is_closing(self) -> bool: ...
     def close(self) -> None: ...
-    if sys.version_info >= (3, 7):
-        def is_reading(self) -> bool: ...
-
+    def is_reading(self) -> bool: ...
     def pause_reading(self) -> None: ...
     def resume_reading(self) -> None: ...
     def set_write_buffer_limits(self, high: int | None = ..., low: int | None = ...) -> None: ...
     def get_write_buffer_size(self) -> int: ...
-    if sys.version_info >= (3, 7):
-        @property
-        def _protocol_paused(self) -> bool: ...
-
+    @property
+    def _protocol_paused(self) -> bool: ...
     def write(self, data: bytes) -> None: ...
     def can_write_eof(self) -> Literal[False]: ...
     def abort(self) -> None: ...
@@ -138,7 +134,7 @@ class SSLProtocol(_SSLProtocolBase):
             ssl_handshake_timeout: int | None = ...,
             ssl_shutdown_timeout: float | None = ...,
         ) -> None: ...
-    elif sys.version_info >= (3, 7):
+    else:
         def __init__(
             self,
             loop: events.AbstractEventLoop,
@@ -150,20 +146,8 @@ class SSLProtocol(_SSLProtocolBase):
             call_connection_made: bool = ...,
             ssl_handshake_timeout: int | None = ...,
         ) -> None: ...
-    else:
-        def __init__(
-            self,
-            loop: events.AbstractEventLoop,
-            app_protocol: protocols.BaseProtocol,
-            sslcontext: ssl.SSLContext,
-            waiter: futures.Future[Any],
-            server_side: bool = ...,
-            server_hostname: str | None = ...,
-            call_connection_made: bool = ...,
-        ) -> None: ...
-    if sys.version_info >= (3, 7):
-        def _set_app_protocol(self, app_protocol: protocols.BaseProtocol) -> None: ...
 
+    def _set_app_protocol(self, app_protocol: protocols.BaseProtocol) -> None: ...
     def _wakeup_waiter(self, exc: BaseException | None = ...) -> None: ...
     def connection_made(self, transport: transports.BaseTransport) -> None: ...
     def connection_lost(self, exc: BaseException | None) -> None: ...
@@ -178,9 +162,7 @@ class SSLProtocol(_SSLProtocolBase):
         def _write_appdata(self, data: bytes) -> None: ...
 
     def _start_handshake(self) -> None: ...
-    if sys.version_info >= (3, 7):
-        def _check_handshake_timeout(self) -> None: ...
-
+    def _check_handshake_timeout(self) -> None: ...
     def _on_handshake_complete(self, handshake_exc: BaseException | None) -> None: ...
     def _fatal_error(self, exc: BaseException, message: str = ...) -> None: ...
     def _abort(self) -> None: ...